PT - JOURNAL ARTICLE AU - C S Easmon AU - J P Crane TI - Uptake of ciprofloxacin by macrophages. AID - 10.1136/jcp.38.4.442 DP - 1985 Apr 01 TA - Journal of Clinical Pathology PG - 442--444 VI - 38 IP - 4 4099 - http://jcp.bmj.com/content/38/4/442.short 4100 - http://jcp.bmj.com/content/38/4/442.full SO - J Clin Pathol1985 Apr 01; 38 AB - Ciprofloxacin was concentrated within mouse peritoneal macrophages to between two and three times extracellular values. Uptake was rapid, occurred equally well with dead cells, and was not affected by lowering the pH or by prior ingestion of Staphylococcus aureus. Intracellular staphylococci were killed by extracellular concentrations of ciprofloxacin as low as 0.5 mg/l.